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If you want a large, no-fuss set of on-ear headphones for students that simply plugs in and works across almost any device, choose SmithOutlet Classroom Headphones Bulk; if you need built-in microphones for online classes, recordings or calls, choose XOSDA 20.
• SmithOutlet Classroom Headphones Bulk — biggest strength: a 50-pack of wired on-ear headphones with a tangle-free 4.5 ft single cord and wipe-clean leatherette ear cushions, enough to equip a whole classroom in one go.
• SmithOutlet Classroom Headphones Bulk — biggest trade-off: no microphone and no inline volume control, so it's purely for listening.
• XOSDA 20 — biggest strength: a rotating noise-canceling boom mic on every headset, which makes it the pick for online lessons, recordings and two-way calls.
• XOSDA 20 — biggest trade-off: only 20 units per pack, and the boom mic is extra hardware some listening-only lessons don't need.
• Who each is for: SmithOutlet for schools and organizations that need listening headphones for many students at once; XOSDA for smaller groups or offices where students and staff need to speak as well as listen.
The headline fact here is the count: 50 headphones in a single pack, each individually bagged and sealed. If you're outfitting a K-12 classroom, a computer lab, a library listening station or a training room, that's the whole point — you're not buying headphones one at a time and chasing mismatched spares. A sealed bag per unit also means you can hand them out, label them, store them and replace one without breaking up a set.
The design choices are clearly aimed at shared, repeated use. The single 4.5-foot cord is meant to stay tangle-free, which matters when dozens of students coil and uncoil them every day. The ear cushions are soft leatherette and can be wiped clean — a small detail, but a practical one in a room full of kids. The headband expands to adjust to most head sizes, and the 3.5 mm stereo plug is the standard connector on Chromebooks, laptops, tablets, desktops and phones, so you're not hunting for adapters. Impedance is rated at 32 ohm, which is a typical figure for headphones designed to run straight off a laptop or tablet headphone jack.
XOSDA 20: Who It's For
The XOSDA 20 flips the priority. Every headset in the 20-pack has a rotating, noise-canceling boom microphone that can be swung out of the way when it isn't in use, and the boom is flexible so it can be positioned to suit the wearer. The mic can also be worn on either the left or right side depending on habit. That combination is what makes it a genuine classroom and office headset rather than a plain pair of headphones — students can answer questions, join a video lesson, record a project or take a call without passing a separate microphone around.
The rest of the spec sheet supports long sessions. The earpads use soft protein memory foam with breathable materials, described as being built for all-day comfort. Ear placement is on-ear with a leather-and-plastic enclosure, impedance is 32 ohm, and the frequency range is stated as 20 Hz to 20,000 Hz — the standard full-range window for voice and general audio. Connectivity is the same universal 3.5 mm plug-and-play jack, and the cable runs 5.5 ft, noticeably longer than the SmithOutlet cord, so there's more room to stand or stretch. Noise control is listed as sound isolation rather than active cancellation, so expect passive blocking from the earcups plus the mic's noise-reduction on the outgoing voice. Each headset is individually bagged, and the manufacturer offers a one-year replacement policy with support contact through Amazon email.
Who should buy it: schools running online seminars, virtual meetings or language and media classes; call centers and offices; anyone who needs a mic on every headset. Who should skip it: large classrooms that only need listening, where 20 units won't stretch far enough and the microphone would go unused.
Side-by-Side: Which Should You Choose?
• Best for outfitting a large class at once → SmithOutlet Classroom Headphones Bulk. 50 individually sealed units versus 20.
• Best for students who need to speak, record or join calls → XOSDA 20. The rotating noise-canceling boom mic is the deciding feature.
• Best for longer cable reach → XOSDA 20. Its 5.5 ft cord beats the 4.5 ft cord on the SmithOutlet set.
• Best for shared, wipe-down hygiene routines → SmithOutlet Classroom Headphones Bulk. The leatherette cushions are explicitly made to be wiped clean.
• Best for comfort over long sessions → XOSDA 20, in my opinion, because the protein memory foam earpads are described as breathable and built for all-day wear.
• Best for device flexibility → a tie. Both use the standard 3.5 mm plug and both list 32 ohm impedance, so both work with Chromebooks, laptops, tablets and phones.
• Best for peace of mind on defects → XOSDA 20. A one-year replacement policy is stated; the SmithOutlet sheet lists no warranty.
If I were buying for a K-12 classroom where the goal is simply getting audio to as many students as possible, I'd buy the SmithOutlet Classroom Headphones Bulk. Fifty sealed, wipe-clean, tangle-resistant on-ear headphones with a standard plug covers the whole room in one purchase, and the absence of a mic is a feature in a listen-only setting, not a flaw.
But if the class involves speaking — online lessons, recordings, calls, language practice — I'd choose the XOSDA 20 instead. The rotating noise-canceling mic on every unit is worth more than the extra headphone count in that scenario, and the longer cable and stated one-year replacement policy tip it further. Check the current price on Amazon for whichever fits your room before you commit.
Value depends on your headcount and whether you need microphones. SmithOutlet gives you 50 listening-only headphones; XOSDA gives you 20 with mics. For pure listening in a big room, SmithOutlet stretches further per student. For talking, XOSDA is the only one of the two that can do the job.
The XOSDA 20 does — a rotating, noise-canceling boom mic that can be tucked away and worn on either side. The SmithOutlet Classroom Headphones Bulk does not list a microphone at all, so it's for listening only.
Yes. Both use a standard 3.5 mm stereo plug and both are rated at 32 ohm, which is a common match for laptop, tablet and Chromebook headphone jacks. Neither needs a special adapter for a standard 3.5 mm port.
In my opinion the XOSDA 20 has the edge on comfort, based on its soft protein memory foam earpads described as breathable and designed for all-day use. The SmithOutlet set counters with expandable headbands and soft leatherette cushions that can be wiped clean, which suits shared classroom use.
The SmithOutlet ear cushions are explicitly described as wipe-clean leatherette, which is handy when headphones are shared between students. The XOSDA earpads are also leather-based, but the sheet emphasizes breathability and comfort rather than cleaning.
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